async def resellerDiscountUpdate(ns={}):
    """
    update reseller discount
      `id` VARCHAR(32)   comment 'id',
      `resellerid` VARCHAR(32)   comment '分销商id',
      `productid` VARCHAR(32)   comment '产品id',
      `discount` double(18,2)   comment '折扣率',
      `income_pzt` double(18,2)   comment '收入百分比',
      `start_date` date   comment '起效日期',
      `end_date` date   comment '失效日期',
    :param ns:
    :return:
    """
    db = DBPools()
    async with db.sqlorContext('kboss') as sor:
        try:
            await sor.U('rp_discount', ns)
            return {
                "status": True,
                "msg": "reseller discount update success"
            }
        except Exception as e:
            return {
                "status": False,
                "msg": "reseller discount update failed",
            }
			

ret = await resellerDiscountUpdate(params_kw)
return ret